EP2772898A4 - Laser drive circuit, method for driving laser, and device using laser light - Google Patents

Laser drive circuit, method for driving laser, and device using laser light

Info

Publication number
EP2772898A4
EP2772898A4 EP12843137.6A EP12843137A EP2772898A4 EP 2772898 A4 EP2772898 A4 EP 2772898A4 EP 12843137 A EP12843137 A EP 12843137A EP 2772898 A4 EP2772898 A4 EP 2772898A4
Authority
EP
European Patent Office
Prior art keywords
laser
drive circuit
driving
light
laser light
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP12843137.6A
Other languages
German (de)
French (fr)
Other versions
EP2772898B1 (en
EP2772898A1 (en
Inventor
Motoi Kimura
Tsutomu Kurihara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2011233729A external-priority patent/JP5909989B2/en
Priority claimed from JP2012078917A external-priority patent/JP5942544B2/en
Application filed by Sony Corp filed Critical Sony Corp
Publication of EP2772898A1 publication Critical patent/EP2772898A1/en
Publication of EP2772898A4 publication Critical patent/EP2772898A4/en
Application granted granted Critical
Publication of EP2772898B1 publication Critical patent/EP2772898B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3129—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] scanning a light beam on the display screen
    • H04N9/3135—Driving therefor
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/48—Laser speckle optics
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
    • H01S5/042—Electrical excitation ; Circuits therefor
    • H01S5/0427—Electrical excitation ; Circuits therefor for applying modulation to the laser
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
    • H01S5/06209—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in single-section lasers
    • H01S5/06213—Amplitude modulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/065—Mode locking; Mode suppression; Mode selection ; Self pulsating
    • H01S5/0651—Mode control
    • H01S5/0652—Coherence lowering or collapse, e.g. multimode emission by additional input or modulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
    • H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
    • H01S5/4087—Array arrangements, e.g. constituted by discrete laser diodes or laser bar emitting more than one wavelength
    • H01S5/4093—Red, green and blue [RGB] generated directly by laser action or by a combination of laser action with nonlinear frequency conversion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3129—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] scanning a light beam on the display screen
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3161—Modulator illumination systems using laser light sources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3179—Video signal processing therefor
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0233—Improving the luminance or brightness uniformity across the screen
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/02—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes by tracing or scanning a light beam on a screen
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S2301/00—Functional characteristics
    • H01S2301/02—ASE (amplified spontaneous emission), noise; Reduction thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
    • H01S5/06209—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in single-section lasers
    • H01S5/06216—Pulse modulation or generation

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Semiconductor Lasers (AREA)
EP12843137.6A 2011-10-25 2012-10-04 Laser drive circuit, method for driving laser, and device using laser light Active EP2772898B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011233729A JP5909989B2 (en) 2011-10-25 2011-10-25 Laser driving circuit, laser driving method, and apparatus using laser light
JP2012078917A JP5942544B2 (en) 2012-03-30 2012-03-30 LASER DRIVE CIRCUIT, LASER DRIVE METHOD, PROJECTOR DEVICE, AND DEVICE USING LASER LIGHT
PCT/JP2012/075785 WO2013061748A1 (en) 2011-10-25 2012-10-04 Laser drive circuit, method for driving laser, and device using laser light

Publications (3)

Publication Number Publication Date
EP2772898A1 EP2772898A1 (en) 2014-09-03
EP2772898A4 true EP2772898A4 (en) 2015-07-15
EP2772898B1 EP2772898B1 (en) 2018-12-05

Family

ID=48167583

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12843137.6A Active EP2772898B1 (en) 2011-10-25 2012-10-04 Laser drive circuit, method for driving laser, and device using laser light

Country Status (8)

Country Link
US (2) US9516258B2 (en)
EP (1) EP2772898B1 (en)
KR (1) KR102007052B1 (en)
CN (1) CN103890829B (en)
BR (1) BR112014009567A2 (en)
RU (1) RU2014115778A (en)
TW (1) TWI494907B (en)
WO (1) WO2013061748A1 (en)

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JP6398494B2 (en) * 2014-09-05 2018-10-03 船井電機株式会社 Image projection device
EP2993899A1 (en) * 2014-09-05 2016-03-09 Funai Electric Co., Ltd. Image projection apparatus
CN106410602B (en) * 2015-07-28 2019-07-05 海信集团有限公司 A kind of semiconductor laser drive method and driving circuit
CN106384935B (en) * 2015-07-28 2019-08-20 海信集团有限公司 A kind of laser source system and display device
CN105490162B (en) * 2016-01-30 2019-01-04 长春理工大学 High-power semiconductor laser high frequency modulated circuit
WO2018144225A2 (en) * 2017-01-18 2018-08-09 Phoenix Llc High power ion beam generator systems and methods
JP2019047066A (en) * 2017-09-06 2019-03-22 リコー電子デバイス株式会社 Semiconductor laser drive device and electronic device
CN109960097B (en) * 2017-12-22 2021-08-31 成都理想境界科技有限公司 Monochromatic laser light source, color laser light source and laser projection equipment
US10630295B2 (en) * 2018-04-23 2020-04-21 Synaptics Incorporated Device and method for detecting signal state transition
US11143861B2 (en) * 2018-07-17 2021-10-12 Google Llc Systems, devices, and methods for laser projection in wearable heads-up displays
CN113168669B (en) * 2018-09-18 2024-03-29 浙江宇视科技有限公司 Image processing method, device, electronic equipment and readable storage medium
CN109302237A (en) * 2018-11-20 2019-02-01 中国电子科技集团公司第四十研究所 A kind of laser modulation circuit and method based on white noise
WO2020248576A1 (en) * 2019-06-13 2020-12-17 海信视像科技股份有限公司 Laser drive circuit, laser display device, and laser drive method
CN112118434B (en) * 2019-06-20 2022-03-25 青岛海信激光显示股份有限公司 Laser projection device
CN111683235B (en) * 2020-06-03 2022-04-05 青岛海信激光显示股份有限公司 Laser projection device
CN113766195B (en) * 2020-06-02 2022-08-02 青岛海信激光显示股份有限公司 Laser projection equipment and laser projection display control method
WO2021244533A1 (en) * 2020-06-02 2021-12-09 青岛海信激光显示股份有限公司 Laser projection apparatus and laser driving control method
CN115767048A (en) * 2020-06-03 2023-03-07 青岛海信激光显示股份有限公司 Laser projection device

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US20050047457A1 (en) * 2003-09-03 2005-03-03 Tdk Corporation Laser diode driving circuit and an optical head
JP2008103515A (en) * 2006-10-19 2008-05-01 Sanyo Electric Co Ltd Laser light source device and its driving method
US20090067459A1 (en) * 2006-03-03 2009-03-12 Kiminori Mizuuchi Illumination light source device and laser projection device
JP2010276689A (en) * 2009-05-26 2010-12-09 Nippon Seiki Co Ltd Head-up display device
JP2011102847A (en) * 2009-11-10 2011-05-26 Seiko Epson Corp Image forming apparatus

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US20050047457A1 (en) * 2003-09-03 2005-03-03 Tdk Corporation Laser diode driving circuit and an optical head
US20090067459A1 (en) * 2006-03-03 2009-03-12 Kiminori Mizuuchi Illumination light source device and laser projection device
JP2008103515A (en) * 2006-10-19 2008-05-01 Sanyo Electric Co Ltd Laser light source device and its driving method
JP2010276689A (en) * 2009-05-26 2010-12-09 Nippon Seiki Co Ltd Head-up display device
JP2011102847A (en) * 2009-11-10 2011-05-26 Seiko Epson Corp Image forming apparatus

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See also references of WO2013061748A1 *

Also Published As

Publication number Publication date
TW201320041A (en) 2013-05-16
KR102007052B1 (en) 2019-08-02
CN103890829B (en) 2017-10-20
TWI494907B (en) 2015-08-01
KR20140092294A (en) 2014-07-23
CN103890829A (en) 2014-06-25
EP2772898B1 (en) 2018-12-05
BR112014009567A2 (en) 2017-04-18
US9516258B2 (en) 2016-12-06
WO2013061748A1 (en) 2013-05-02
EP2772898A1 (en) 2014-09-03
US20140240611A1 (en) 2014-08-28
US9813682B2 (en) 2017-11-07
RU2014115778A (en) 2015-10-27
US20170064265A1 (en) 2017-03-02

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